Add billing address as a mandatory field of Payments credit cards.

chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc

Index: chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc
diff --git a/chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc b/chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc
index 19d1039e56b570569606fe7eda6a4c8d3f415f1c..7fd20a21a741e1973f1eb47e9a68a0ba2ea91376 100644
--- a/chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc
+++ b/chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc
@@ -68,10 +68,11 @@ ShippingAddressEditorViewController::ShippingAddressEditorViewController(
     PaymentRequestSpec* spec,
     PaymentRequestState* state,
     PaymentRequestDialogView* dialog,
+    BackNavigationType back_navigation_type,
     base::OnceClosure on_edited,
     base::OnceCallback<void(const autofill::AutofillProfile&)> on_added,
     autofill::AutofillProfile* profile)
-    : EditorViewController(spec, state, dialog),
+    : EditorViewController(spec, state, dialog, back_navigation_type),
       on_edited_(std::move(on_edited)),
       on_added_(std::move(on_added)),
       profile_to_edit_(profile),
@@ -87,6 +88,11 @@ ShippingAddressEditorViewController::CreateHeaderView() {
   return base::MakeUnique<views::View>();
 }
 
+std::unique_ptr<views::View>
+ShippingAddressEditorViewController::CreateCustomFieldsView() {
+  return base::MakeUnique<views::View>();
+}
+
 std::vector<EditorField>
 ShippingAddressEditorViewController::GetFieldDefinitions() {
   return editor_fields_;